Ortho Oracle - orthopaedic operative atlas
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Knee Joint Tumors:

- differential dx of popliteal masses

- Tumors of the Distal Femur:
     -
Nonossifying fibroma
-
Osteosarcoma
     - Giant Cell Tumor of Bone
     - Ewing's sarcoma
-
Osteochondroma
     - Chondroblastoma
     - Chondromyxoid fibroma
     - Eosinophilic granuloma
     - Aneurysmal bone cyst
     - Giant cell sarcoma
-
Fibrous Histiocytoma
     - Fibrosarcoma of bone
     - Desmoplastic fibroma
     - Gaucher's Disease

- Tumors of Proximal Tibia:
     -
Osteochondroma
     - Osteosarcoma
     - Giant Cell Tumor of Bone
     - Ewing's sarcoma: (diaphyseal region)
-
Chondroblastoma
     - Chondromyxoid fibroma
     - Fibrous Dysplasia
     - Eosinophilic granuloma
     - Aneurysmal bone cyst
     - Simple bone cyst
     - Giant cell sarcoma
     - Fibrous Histiocytoma
     - Fibrosarcoma of bone
-
Adamantinoma
     - Osteoma: middle 1/3 (rare)

- proximal fibula: (see tumors of fibula)
           - benign tumors include osteochondroma and giant cell tumor;
- reference:  Surgical Management of 121 Benign Proximal Fibula Tumors
     - patella:
            - benign tumors of the patella are more frequent than malignant tumors (73% versus 27%);
- most common benign tumors are GCT and chondroblastoma;
- treatment:
- benign stage I and II: curettage;
- benign stage III: patellectomy
- stage Ia tumors: extensive patellectomy;
- stage Ib tumors: patellectomy with excision of involved tissues;
- stage IIB: extra-articular resection or amputation
- Patellar Tumors.
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Tumors about the knee misdiagnosed as athletic injuries

Sports tumors.